1. SIEM platforms - These could be Splunk, Alienvault, QRadar and others. Learning these platforms will give you a great start if you are looking to become a SOC Analyst.
2. Threat Intelligence platforms - CrowdStrike, Mandiant, and others. Learning how these work will keep you on the cutting edge.
3. Vulnerability Management tools - Nessus, OpenVas, Rapid7, Qualys, and others. If you can understand vulnerabilities, you can also learn how to mitigate. You can communicate mitigation plans to your organization.
4. WireShark - Every network and the entire internet runs off of TCP/IP. Learning Wireshark and how to break down and inspect packets will allow you to understand how traffic flows.
5. Security Awareness Training platforms - KnowBe4, Proofpoint, and other platforms can be used to teach awareness within your organization.
6. Forensic Analysis Tools - learn tools such as The Sleuth Kit, Autopsy, and other tools. These are great tools to get started in forensics.
7. Malware Analysis tools - Cuckoo Sandbox Analysis tool, Zeek Network Security Monitor and other tools will get you started in the right direction of breaking down malware and understanding it.
Source * https://www.breakincyber.com/